<strong>Time-resolved analysis of shock-driven structure transformation of forsterite single crystals using </strong><strong>power laser and x-ray free electron laser</strong>

Takuo Okuchi; Narangoo Purevjav; Norimasa Ozaki; Yusuke Seto; Yoshinori Tange; Toshimori Sekine; Takeshi Matsuoka; Kenjiro Takahashi; Yuichi Inubushi; Makina Yabashi; Kazuo Tanaka; Ryosuke Kodama

Presentation information

[JJ] Oral

P (Space and Planetary Sciences) » P-PS Planetary Sciences

[P-PS10] [JJ] Formation and evolution of planetary materials in the solar system

Mon. May 22, 2017 3:30 PM - 5:00 PM Convention Hall A (International Conference Hall 2F)

convener:Tomohiro Usui(Earth-Life Science Institute, Tokyo Institute of Technology ), Masaaki Miyahara(Department of Earth and Planetary Systems Science, Graduate School of Science, Hiroshima University), Akira Yamaguchi(National Institute of Polar Research), Yoko Kebukawa(Faculty of Engineering, Yokohama National University), Chairperson:Tomohiro Usui(Earth-Life Science Institute, Tokyo Institute of Technology )

4:30 PM - 4:45 PM

[PPS10-05] Time-resolved analysis of shock-driven structure transformation of forsterite single crystals using power laser and x-ray free electron laser

*Takuo Okuchi¹, Narangoo Purevjav¹, Norimasa Ozaki², Yusuke Seto³, Yoshinori Tange⁴, Toshimori Sekine⁵, Takeshi Matsuoka⁶, Kenjiro Takahashi⁶, Yuichi Inubushi⁴, Makina Yabashi⁷, Kazuo Tanaka², Ryosuke Kodama^2,6 (1.Institute for Planetary Materials, Okatama Univ., 2.Faculty of Engineering, Osaka Univ., 3.Faculty of Science, Kobe Univ., 4.JASRI/SPring-8, 5.Faculty of Science, Hiroshima Univ., 6.Photon Pioneers Center, Osaka Univ., 7.RIKEN SPring-8 Center)

Keywords:forsterite, ringwoodite, x-ray free electron laser , laser-driven shock compression, high-speed collision

We analysed time-resolved structure evolution of shock-compressed single crystals of forsterite using power laser and x-ray free electron laser at SACLA, SPring-8. It was indicated from these results that forsterite structure (orthorhombic) transforms into ringwoodite structure (cubic spinel) in very fast time scale of few nanoseconds, which has implication on the origin of ringwoodite observed in meteorites.